14 CFR 1.3 - Rules of construction.

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§ 1.3 Rules of construction.
(a) In Subchapters A through K of this chapter, unless the context requires otherwise:
(1) Words importing the singular include the plural;
(2) Words importing the plural include the singular; and
(3) Words importing the masculine gender include the feminine.
(b) In Subchapters A through K of this chapter, the word:
(1) Shall is used in an imperative sense;
(2) May is used in a permissive sense to state authority or permission to do the act prescribed, and the words “no person may * * *” or “a person may not * * *” mean that no person is required, authorized, or permitted to do the act prescribed; and
(3) Includes means “includes but is not limited to”.
[Doc. No. 1150, 27 FR 4590, May 15, 1962, as amended by Amdt. 1-10, 31 FR 5055, Mar. 29, 1966]

Title 14 published on 2014-01-01

no entries appear in the Federal Register after this date.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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United States Code

Title 14 published on 2014-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 14 CFR 1 after this date.

  • 2014-09-19; vol. 79 # 182 - Friday, September 19, 2014
    1. 79 FR 56288 - Acceptance Criteria for Portable Oxygen Concentrators Used On Board Aircraft
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Notice of proposed rulemaking (NPRM).
      Send comments on or before November 18, 2014.
      14 CFR Parts 1, 121, 125, and 135